"Yeah, well, excuse me if I don't take your word for it," he says, tersely, trying his best not to back up any further. If he does, he's going to be knee deep in the pond, and, well, he's not prissy but he does like to keep his nice clothes dry, thank you very much.

"Potter. I'm serious." Merlin, he wishes he could use his wand right about now. Hex the smug smile off James's face.